Download POWER QUALITY ANALYSIS - Electri-Temp

Ordering information
Power Quality Analysis
- Instrument MI 2292 PQA Plus or MI 2092 PHA
- Current clamp 1000 A/1V, 3 pcs
- Small soft carrying bag for current clamps
- Test tip, red; 3 pcs
- Safety flat clamps, 4 pcs
- Alligator clip, black; 4pcs
- Voltage measurement cables; 6 pcs
- Mains cable
- RS 232 cable
- 4 × 1,2 V NiMH batteries
- Power Link PC analysis and control SW package
- Soft carrying bag
- Instruction manual
- Handbook "Modern Power Quality Measurement
Techniques" on CD
- Product verification data
Standard Set
Part No. MI 2092
- Standard Set Part No. MI 2292
(with safety flat clamps S 2015)
Power Harmonics Analyser
Power Quality Analyser Plus
Power Quality Analyser Plus MI 2292
Power Harmonics Analyser MI 2092
• Metrel´s top of the range three- phase, multifunction power
quality analyser with a complete selection of test functions
and diagnostic tools for wide range of applications.
• Automatic EN 50160 power quality assessment test.
• Flicker measurement in accordance with EN 50160.
• Modem communication support for remote control
of the instrument.
• Measurements according to IEC / EN 61000-4-30.
• Recording of short-period events like transients, inrush
currents, resonant states, switchings, etc.
• Harmonics direction determination.
• Optional: 110 V version.
• Three-phase, multifunction power quality analyser suitable for
performing all the most frequent measurements and
diagnostics in different electrical systems.
• Optional remote modem communication support.
• Optional: 110 V version.
Optional accessories
Energy Measurement
Active & Reactive
Import & Export
Inductive & Capacitive.
Separate registers for Total,
Sub-total & Last Integration
Period
Voltage and Current
Harmonic Analysis up to
63rd component
True Real Time operation
for voltage interrupts and
power break capturing
2 MB of memory allow
data logging up to several
months.
A 1100
A 1120
Modem Remote Control
by using GSM or standard
type of telephone
communication.
Waveform analysis
Scope function allows
monitoring of current
and voltage
Configuration menu
for setting the measuring
method, integration period,
current scaling factor and
selection of signals.
Technical specification
AC VOLTAGES
Three-phase AC voltage input (3 differential inputs, L1 - N1, L2 - N2, L3 - N3)
Input voltage range:
10–550 Vrms L-N, 900 Vrms L-L
600 Vrms L-N (overload 10 s)
Optional on request:
10–750 Vrms L-N, 1000 Vrms L-L
800 Vrms L-N (overload 10 s)
Resolution:
0.1 V
Accuracy:
± 0.5 % of reading ± 2 digits
Crest factor max.:
1...1.4 @ 550 Vrms L-N
Frequency range:
43–68 Hz fundamental
AC CURRENTS
Three-phase AC input for connection to current transducers with voltage output
Input current (voltage range): 0.02–1 Vrms (from 0.02 x In to In) input
Resolution:
0.3 mV (0.3 A with 1000 A / 1 V)
Accuracy:
± 0.5 % of reading ± 6 digits plus current transformer
accuracy
Crest factor:
1...2.5 @ 1 VRMS
Maximum permissible overload: 150 % In (sinusoidal current)
Maximum input voltage:
1 Vrms
PHASE ANGLE
Consider phase angle data of current transformer used.
SCOPE
Display options:
Waveform of pairs (L1: U1 and I1, L2: U2 and I2,
L3: U3 and I3), U1, 2, 3, and I1, 2, 3
Ranging:
Auto / manual
A 1099
A 1037
A 1039
6
Part No. MI 2292
Standard Set
METER – Power measurement
Quantities related to selected measuring connections per phase, i.e.:
Measured:
voltage (U), current (I), cosj between U and I
Calculated:
active power (P), apparent power (S), reactive power (Q),
power factor (Pf) with its characteristics (c, I, none)
Line – Line voltage;
Quantities for complete three-phase system, i.e.:
Calculated:
active power (Pt), apparent power (St), reactive power
(Qt), power factor (Pft), neutral current (In);
Basic accuracy for P, Q, S,:
± 1 % of reading
Resolution for P, Q, S,:
0.01 of displayed value
SPECTRUM – Harmonics measurement
The instrument computes harmonics on signals sampled with an A/D converter.
Recording interval:
160 ms (8 cycles)
Spectrum calculation range:
DC – 63rd
Spectrum display range:
DC – 25th
Displayed items for selected harmonic: Order, relative and absolute value
Range
Limits of error
Resolution
Irange Urange
THD Total Harmonic
HD Harmonic
on LCD and PC
Distortion
Distortion
2 … 100 %
0.2 % x Ur/U (Ir/I )
0.2 % x Ur/U (Ir/I)
0.1 %
ENERGY
Displayed quantities from integration of calculated power as:
– cumulative values (TOTAL);
– partly cumulative (resettable by user request) (SUBTOTAL);
– values related to last integration period (LAST IP).
Quantities. Active energy (EP), capacitive energy (EQC), inductive energy (EQI)
Basic accuracy:
± 1 % of reading
Resolution:
0.1 of displayed value
RECORDER
Periodics integration period: 1 s – 900 s
Selected signals:
max. 64
Statistics values:
each period divided in 200 parts (0.1 ms)
Voltage anomalies: based on half period, start, duration and extremes of voltage
EN 50160 ANALYSIS MODE (MI 2292 and MI 2192)
Voltage dips, swells, sags and breaks, resolution 10 ms, no gaps
Voltage unsimetry, Voltage RMS values, Frequency
Harmonics:
up to 43rd component
Flickers Plt Pst:
no gap
FLICKER MEASUREMENT
The instrument computes flickers according to IEC 61000-4-15 (MI 2292 only)
WAVEFORMS
Sampling rate:
128 scans / period (MI 2292 - 7812 periods, MI 2192 - 390 periods)
Trigger:
level, manual, timer
Buffer:
min. 10 periods of pre / post size, up to 7812 periods can be recorded
Channels:
3 x U, 3 X I, U lines, Min / Max rms values: Avg
Pf, cosj, Crest factor, THD U, I Frequency
Harmonics / direction:
magnitudes / positive / negative
FAST LOGGING
Sampling rate:
128 scans / period, min, max, avg recorded each half period
Trigger:
level, manual, timer
Buffer:
pre / post size, up to 166 minutes of recording
Channels:
3 x U, 3 X I, Single or multi channel mode
TRANSIENTS
Capturing:
>20 µs transient detectability
Trigger:
Level, slope, manual
Buffer:
min. 10 periods of pre / post size, up to 1000 periods can be recorded
Channels:
3 x U, 3 X I, single or multi channel mode
A 1037
A 1039
A 1069
A 1099
A 1100
A 1101
A 1120
A 1122
A 1124
A 1171
S 2014
S 2015
A 1171
S 2014
A 1069, A 1122
A 1101
S 2015
- Three-phase current transformer 5 A/1 V
- Clamp adapter
- Mini current clamp 100 A /1 V
- Single-phase flex, current clamp 3000 A /1 V
- Modem ST
- Modem GSM
- Three-phase flex, current clamp 3000 A /1 V
- Mini current clamp 5 A /1 V
- Modem Entrance Key (MI 2092)
- USB/RS232 converter with 1 m fixed cable
- Safety fuse adapters
- Safety flat clamps
General
Display: Graphic Liquid Crystal Display with LED backlight, 160 x 116 dots resolution
NON – VOLATILE MEMORY
2048 Kbytes SRAM, battery backed.
DIGITAL HARDWARE SPECIFICATION
A/D conversion,
14 bit with 128 samples per channel per period (43–68 Hz).
OUTPUTS
Communication type: RS 232 serial interface, fully opto isolated
Baud rate:
2400–57600 bps
Connector:
9 pin D-type.
Communication cable: Standard type
POWER SUPPLY
Operating range:
230 V A.C. +10 % – 20 %, 45–65 Hz, 8 VA
Optional:
115 V A.C. +10 % – 20 %, 45–65 Hz, 8 VA
DC power supply:
Internal 4 x 1.2 V NiCd or NiMh rechargeable IEC LR14
batteries provide full operation for up to 5 hours
Charger:
Internal built-in battery charger, charging time approx. 10 hours
GENERAL
Working temperature range:
–20 °C … + 60 °C
Max. humidity:
85 % RH (0 ¸ 40 °C)
Pollution degree:
2
Protection classification:
II - double insulation
Overvoltage category:
Voltage inputs: CAT III 600 V; optional CAT IV 600 V
AC power supply CAT III 300 V
Protection degree:
IP 64
Dimensions:
265 x 110 x 185 mm
Weight (without accessories): 2 kg
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